Ho Chi Minh City Departmand of Tourism:

http://www.tourism.hochiminhcity.gov.vn/english/home.php

Vietnam National Administration of Toursim

http://www.vietnamtourism.gov.vn/english/index.php?option=com_content&task=view&id=10&Itemid=

Vietnam Country and People

http://www.vietnamtourism.com/e_pages/country/overview.asp